P

Inventor

SEKIYA MASAAKI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “SEKIYA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI CHEMICAL CO LTD

3 patents
US10186692B2Jan 22, 2019

Electrical storage device

HITACHI CHEMICAL CO LTD3 citations67
US10340527B2Jul 2, 2019

Lithium-ion secondary battery and method of manufacturing the same

HITACHI CHEMICAL CO LTD1 citations57
US9911543B2Mar 6, 2018

Capacitor

HITACHI CHEMICAL CO LTD0 citations35

MARUZEN OIL CO LTD

1 patent
US3963662AJun 15, 1976

Polyion complex and process for preparation thereof

MARUZEN OIL CO LTD27 citations81

MARUZEN PETROCHEM CO LTD

1 patent
US4709009ANov 24, 1987

Method for the production of reformed p-vinylphenol polymers which are lightened in color

MARUZEN PETROCHEM CO LTD6 citations72